Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Design of a large aperture tunable refractive Fresnel liquid crystal lens

Not Accessible

Your library or personal account may give you access

Abstract

A large aperture tunable lens based on liquid crystals, which is considered for near-to-eye applications, is designed, built, and characterized. Large liquid crystal lenses with high quality are limited by very slow switching speeds due to the large optical path difference (OPD) required. To reduce the switching time of the lens, the thickness is controlled through the application of several phase resets, similar to the design of a Fresnel lens. A main point of the paper is the design of the Fresnel structure to have a minimal effect on the image quality. Our modeling and experimental results demonstrate that minimal image degradation due to the phase resets is observable when the segment spacing is chosen by taking into account human eye resolution. Such lenses have applications related to presbyopia and, in virtual reality systems, to solve the well-known issue of accommodation–convergence mismatch.

© 2017 Optical Society of America

Full Article  |  PDF Article
More Like This
Refractive Fresnel liquid crystal lenses driven by two voltages

Wenbin Feng and Mao Ye
Opt. Express 32(1) 662-676 (2024)

Sensitive voltage-dependent diffraction of a liquid crystal Fresnel lens

Wen-Chi Hung, Yu-Jen Chen, Chia-Huey Lin, I-Min Jiang, and Tzu-Fang Hsu
Appl. Opt. 48(11) 2094-2098 (2009)

Large area liquid crystal lenses for correction of presbyopia

Afsoon Jamali, Douglas Bryant, Amit K. Bhowmick, and Philip J Bos
Opt. Express 28(23) 33982-33993 (2020)

Supplementary Material (1)

NameDescription
Visualization 1       This video demonstrates the expected wavelength dependency of the Fresnel segments. The largest diffraction angle results at wavelengths that cause the Fresnel segments to be different by phase difference of a half wave. In our design we have chosen

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (18)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved